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Cheap flights from the United Kingdom to Sydney from £355

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SYD
27 Apr — 4 May1
1 adult

Cheap flight deals from United Kingdom to Sydney

Keep the following information in mind while searching for United Kingdom to Sydney flight deals. Data was last updated 22 April 2025.

Round-trip from

£637

One-way from

£355

Popular in

December

Cheapest in

May

Average price

£975

Good round-trip deal

£1,103 or less

Good one-way deal

£786 or less
China Eastern
  • China Eastern
  • 12/5-26/5
  • 2 total stops
  • 70h 55m total
  • United Kingdom to Sydney
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17/6
  • 17/6
  • 3 total stops
  • 50h 05m total
  • United Kingdom to Sydney
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£75 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£23 potential savings vs. average return price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from United Kingdom to Sydney Kingsford Smith.
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Price to beat on a one-way flight from United Kingdom to Sydney Kingsford Smith.
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Find flight deals from United Kingdom to Sydney

Cheapest flights from United Kingdom to Sydney
Explore the most affordable flight options available from United Kingdom to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 April 2025.

Mon 12/521:20LHR - SYD
1 stop30h 15mChina Eastern
Mon 26/511:00SYD - LHR
1 stop40h 40mChina Eastern
Deal found 21/4£637
Wed 14/518:25LGW - SYD
1 stop33h 10mChina Eastern
Wed 28/520:30SYD - LGW
1 stop27h 30mChina Eastern
Deal found 21/4£639
Thu 8/511:35LGW - SYD
1 stop36h 25mMultiple Airlines
Tue 13/506:00SYD - LGW
2 stops42h 00mMultiple Airlines
Deal found 21/4£643
Wed 17/919:15LHR - SYD
2 stops28h 10mChina Southern
Wed 12/1122:00SYD - LHR
2 stops54h 55mChina Southern
Deal found 21/4£643
Tue 13/522:40LHR - SYD
1 stop31h 10mAir China
Thu 29/519:40SYD - LHR
1 stop31h 05mAir China
Deal found 21/4£658
Sun 1/607:00STN - SYD
3 stops42h 10mMultiple Airlines
Tue 30/912:50SYD - STN
3 stops38h 05mMultiple Airlines
Deal found 21/4£686
Tue 3/621:20LHR - SYD
2 stops34h 05mMultiple Airlines
Thu 12/611:00SYD - LHR
1 stop40h 40mMultiple Airlines
Deal found 21/4£687
Mon 22/912:00LGW - SYD
1 stop22h 40mChina Southern
Mon 17/1109:20SYD - LGW
2 stops43h 00mChina Southern
Deal found 22/4£700
Wed 11/609:30LHR - SYD
1 stop35h 40mEtihad Airways
Mon 21/721:30SYD - LHR
1 stop26h 45mEtihad Airways
Deal found 22/4£706
Tue 6/521:45LHR - SYD
1 stop35h 15mAir India
Sat 10/519:30SYD - LHR
1 stop25h 00mAir India
Deal found 22/4£720
Mon 10/1106:45NCL - SYD
2 stops39h 40mMultiple Airlines
Thu 27/1122:00SYD - NCL
2 stops35h 20mMultiple Airlines
Deal found 21/4£724
Tue 20/511:25LGW - SYD
2 stops42h 25mAir China
Tue 27/519:40SYD - LGW
2 stops44h 15mAir China
Deal found 22/4£725

Cheapflights Fare Finder

Customise your flight search to find flights from United Kingdom to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 22 April 2025.
Use the filters below to find and compare flights from the United Kingdom to Sydney that are best for you.

Fly from

United Kingdom

Fly to

Sydney

Route

Depart

Return

Price

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 12/5

21:20-12:35

1 stop30h 15m

Sydney Kingsford Smith

Mon 26/5

11:00-18:40

1 stop40h 40m

£637

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Wed 14/5

18:25-12:35

1 stop33h 10m

Sydney Kingsford Smith

Wed 28/5

20:30-15:00

1 stop27h 30m

£639

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Thu 8/5

11:35-09:00

1 stop36h 25m

Sydney Kingsford Smith

Tue 13/5

06:00-15:00

2 stops42h 00m

£643

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 17/9

19:15-08:25

2 stops28h 10m

Sydney Kingsford Smith

Wed 12/11

22:00-17:55

2 stops54h 55m

£643

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 13/5

22:40-14:50

1 stop31h 10m

Sydney Kingsford Smith

Thu 29/5

19:40-17:45

1 stop31h 05m

£658

LondonSydney

STN - SYD

STNSYD

London Stansted

Sun 1/6

07:00-10:10

3 stops42h 10m

Sydney Kingsford Smith

Tue 30/9

12:50-17:55

3 stops38h 05m

£686

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 3/6

21:20-16:25

2 stops34h 05m

Sydney Kingsford Smith

Thu 12/6

11:00-18:40

1 stop40h 40m

£687

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Mon 22/9

12:00-19:40

1 stop22h 40m

Sydney Kingsford Smith

Mon 17/11

09:20-17:20

2 stops43h 00m

£700

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 11/6

09:30-06:10

1 stop35h 40m

Sydney Kingsford Smith

Mon 21/7

21:30-15:15

1 stop26h 45m

£706

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 6/5

21:45-18:00

1 stop35h 15m

Sydney Kingsford Smith

Sat 10/5

19:30-11:30

1 stop25h 00m

£720

Flights are sorted by cheapest return flights first.

Deals found on 22/4

Showing 1-10 of 60 results
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6

Best time to book a flight from United Kingdom to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from United Kingdom with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Sydney

What is the cheapest month to book a flight from United Kingdom to Sydney?

Currently, May is the cheapest month in which you can book a flight from United Kingdom to Sydney (average of £985). Flying from United Kingdom to Sydney in July is currently the most expensive (average of £1,726). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from GB to SYD?

Find hourly flight availability from United Kingdom to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 April 2025.

When flying from United Kingdom to Sydney, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from United Kingdom to Sydney

Explore weekly flight availability from United Kingdom to Sydney. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 22 April 2025.

The most flights from GB0 to SYD are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 22 April 2025.
See what other customers who have flown with China Airlines, Singapore Airlines and Emirates from United Kingdom to Sydney have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
China Airlines
8.3
Very Good
727 reviews
Check prices

Crew

8.5

Food

7.8

Overall

8.3

Comfort

8.0

Entertainment

8.0

Boarding

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
China Airlines
8.3
Very Good
727 reviews
China Airlines
8.3
Very Good
727 reviews
Check prices

Crew

8.5

Food

7.8

Overall

8.3

Comfort

8.0

Entertainment

8.0

Boarding

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Singapore Airlines
8.1
Very Good
1,290 reviews
China Airlines
8.3
Very Good
727 reviews
Check prices

Crew

8.5

Food

7.8

Overall

8.3

Comfort

8.0

Entertainment

8.0

Boarding

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Emirates
8.0
Very Good
3,205 reviews
China Airlines
8.3
Very Good
727 reviews
Check prices

Crew

8.5

Food

7.8

Overall

8.3

Comfort

8.0

Entertainment

8.0

Boarding

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
KLM
7.8
Good
1,331 reviews
China Airlines
8.3
Very Good
727 reviews
Check prices

Crew

8.5

Food

7.8

Overall

8.3

Comfort

8.0

Entertainment

8.0

Boarding

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Thai Airways
7.7
Good
325 reviews
China Airlines
8.3
Very Good
727 reviews
Check prices

Crew

8.5

Food

7.8

Overall

8.3

Comfort

8.0

Entertainment

8.0

Boarding

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sydney from United Kingdom?

    Most people fly into Sydney Kingsford Smith (SYD) if they book a flight to Sydney from United Kingdom. Kingsford Smith is conveniently located just 4.6 mi from Sydney’s city center.

  • What are the cheapest airlines to fly from United Kingdom to Sydney one-way?

    £411 is the cheapest one-way deal found within the past few days, from China Southern. You may also be able to find cheap deals on China Eastern and Singapore Airlines, with prices starting from £412 and £421, respectively.

  • What are the most popular routes from United Kingdom to Sydney?

    Most travelers choose London Heathrow - Sydney Kingsford Smith, London Gatwick - Sydney Kingsford Smith or London Stansted - Sydney Kingsford Smith when deciding on the best route from United Kingdom to Sydney.

  • What are the cheapest flights from United Kingdom to Sydney?

    On average you can expect to pay £3,508 for a flight from United Kingdom to Sydney. The cheapest flight overall is £753 while the most popular route, (London Heathrow - Sydney Kingsford Smith) is currently priced at £566.

  • Can I find deals for flights from United Kingdom to Sydney that include hotel bookings?

    Yes. In addition to deals on United Kingdom to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from United Kingdom to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Sydney.

  • Can I find deals for business class flights from United Kingdom to Sydney?

    Yes. Cheapflights offers flight deals from United Kingdom to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from United Kingdom to Sydney?

    Currently, May is the cheapest month in which you can book a flight from United Kingdom to Sydney (average of £985). Flying from United Kingdom to Sydney in July is currently the most expensive (average of £1,726). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near the United Kingdom?

Book flights to the United Kingdom if you plan to visit one of these locations
Bondi Beach
Coogee
Manly

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Alternative routes for United Kingdom to Sydney

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Top 10 airlines flying from United Kingdom to Sydney

Discover the top 10 airlines that operate flights from United Kingdom to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 22 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Hainan AirlinesCheapest£337Average£1,214FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Austrian AirlinesCheapest£666Average£813FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
China AirlinesCheapest£717Average£812FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
XiamenAirCheapest£779Average£991FlexibilityNo cancel feeOn-time49%
Search XiamenAir flights
Vietnam AirlinesCheapest£781Average£1,119FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Air FranceCheapest£841Average£1,188FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£893Average£1,493FlexibilityNo cancel feeOn-time75%
Search KLM flights
Juneyao AirlinesCheapest£899Average£1,328FlexibilityNo cancel feeOn-time66%
Search Juneyao Airlines flights
Japan AirlinesCheapest£908Average£1,217FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
FinnairCheapest£908Average£1,327FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from United Kingdom to Sydney?

When you search for this flight from United Kingdom to Sydney, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Sydney?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from United Kingdom to Sydney.

Can Cheapflights find flights from United Kingdom to Sydney with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from United Kingdom to Sydney flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from United Kingdom to Sydney become cheaper?

Yes! Start tracking prices for United Kingdom to Sydney flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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